- The following table displays data from a random sample of residents in Waterfall City.
Waterfall City
Annual Income Number of
Residents
Less than 500
$30,000
$30,001 to 450
$45,000
$45,001 to 235
$75,000
More than
0
$75,000
Which of the following can be inferred from the sample data?
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The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.